One of the first national polls weighing the impact of Alaska Governor Sarah Palin as the Republican vice presidential nominee shows little change in a tight presidential race.
The CNN/Opinion Research Corp. survey released tonight gives the Democratic ticket of Senators Barack Obama and Joe Biden a 49 percent to 48 percent edge over the Republican ticket of Senator John McCain and Palin.
That compares to a tie at 47 percent each when voters were asked earlier in August to choose between Obama and McCain, without their running mates mentioned.
The survey, which was conducted Friday through Sunday, found that Palin seems to be making a good first impression, though a significant number of voters don't know her.
She was viewed favorably by 38 percent of voters and unfavorably by 21 percent, while 20 percent had not heard of her and 21 percent said they had no opinion.
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Glen Johnson is Politics Editor at boston.com and lead blogger for "Political Intelligence." He moved to Massachusetts in the fourth grade, and has covered local, state, and national politics for over 25 years. E-mail him at firstname.lastname@example.org. Follow him on Twitter @globeglen.